Rough ER

Q.

Ribosomes are attached to the surface of ___.

Q.

The rough ER contains __ which help in protein synthesis.

Q.

Identify the labelled parts in the given image.

1. A – rough endoplasmic reticulum and B -ribosome

2. A – ribosome and B - rough endoplasmic reticulum

3. A – ribosome and B- smooth endoplasmic reticulum

4. A – smooth endoplasmic reticulum and B –ribosome

Q. Which of the following organelle is not enclosed by a membrane?

1. Lysosome
2. Vacuole
3. Chloroplast
4. Ribosome

Q. Where are the proteins synthesised inside the cell?

1. Lysosomes

2. Ribosomes

3. Nucleus

4. Golgi apparatus

Q. What is the main function of ribosomes?

1. Synthesising vitamins
2. Trapping sunlight
3. Synthesising proteins
4. Producing ATP molecules

Q. DIRECTIONS: The following questions have four choices (a), (b), (c) and (d) out of which only one is correct. You have to choose the correct alternative.

The correct sequence in the cell processing is:

1. RNA - DNA - Protein
2. DNA - golgi - proteins
3. DNA - RER - protein
4. Protein - DNA - RER

Q.

The rough ER contains __ which help in protein synthesis.

Q. RER is rough due to the presence of _______ .

1. ribosomes
2. lysosomes
3. DNA
4. lipids

Q. The rough ER contains ribosomes which help in protein synthesis.

1. True

2. False